单模室外光缆GYTA-2B1规格型号表... MHYV|天津市电缆总厂第一分厂

p1Src=//y1.yzimgs.com/uploads/175499/202024-218251.jpg?watermark/2/text/TUhZVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa